JP4519818B2 - 電力線搬送通信の送信装置 - Google Patents
電力線搬送通信の送信装置 Download PDFInfo
- Publication number
- JP4519818B2 JP4519818B2 JP2006255736A JP2006255736A JP4519818B2 JP 4519818 B2 JP4519818 B2 JP 4519818B2 JP 2006255736 A JP2006255736 A JP 2006255736A JP 2006255736 A JP2006255736 A JP 2006255736A JP 4519818 B2 JP4519818 B2 JP 4519818B2
- Authority
- JP
- Japan
- Prior art keywords
- power line
- signal
- carrier communication
- transmission
- impulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
- Noise Elimination (AREA)
Description
1/(1+k1 ×Z-1+k2 ×Z-2+…+kn ×Z-n)
となる。
1+C1 ×Z-1+C2 ×Z-2+…+Cn ×Z-n
となるFIR(Finite Impulse Response )フィルタを用いる。
4−2 ゼロ点挿入部
4−3 受信クロック分配部
4−4 ゼロ点削除部
6−1 マルチパス等化部
6−11 遅延素子
6−12 乗算器
6−13 係数補正部
6−14 誤差算出部
6−2 電力線(通信回線)
7−1 逆高速フーリエ変換部
7−2 ガードタイム付加部
7−3 高速フーリエ変換部
Claims (6)
- 低電圧配線と引込み線を含む電力線を使用して信号を伝送する電力線搬送通信において、
該電力線の分岐点で反射される反射波が送信装置出力端の電力線上で合成される電力線に対して、該電力線の伝達関数の逆関数となる伝達関数のフィルタを介して信号を伝送することを特徴とする電力線搬送通信における漏洩電磁界抑圧送信方法。 - 低電圧配線と引込み線を含む電力線を使用して信号を伝送する電力線搬送通信において、
該電力線の分岐点で反射される反射波が送信装置出力端の電力線上で合成される電力線に対して、該電力線のインパルス応答波形の時間間隔を空けて次の送信データに対応したインパルス信号を伝送し、かつ、該電力線の伝達関数の逆関数となる伝達関数のフィルタを介して信号を伝送することを特徴とする電力線搬送通信における漏洩電磁界抑圧送信方法。 - 前記送信データに対応したインパルス信号をナイキスト伝送し、かつ次のインパルス信号との間にナイキスト間隔位置にゼロ点信号を挿入して送信することを特徴とする請求項2に記載の電力線搬送通信における漏洩電磁界抑圧送信方法。
- 低電圧配線と引込み線を含む電力線を使用して信号を伝送する電力線搬送通信の送信装置において、
該電力線の分岐点で反射される反射波が送信装置出力端の電力線上で合成される電力線に対して、該電力線の伝達関数の逆関数となる伝達関数のフィルタを備え、該フィルタを介して信号を送信することを特徴とする電力線搬送通信における漏洩電磁界抑圧送信装置。 - 低電圧配線と引込み線を含む電力線を使用して信号を伝送する電力線搬送通信の送信装置において、
該電力線の分岐点で反射される反射波が送信装置出力側の電力線上で合成される電力線に対して、該電力線のインパルス応答波形の時間間隔を空けて次の送信データに対応したインパルス信号を発生する信号発生部を備え、かつ、該電力線の伝達関数の逆関数となる伝達関数のフィルタを備え、該フィルタを介して信号を送信することを特徴とする電力線搬送通信における漏洩電磁界抑圧送信装置。 - 前記信号発生部は、送信データに対応したインパルス信号をナイキスト伝送し、かつ、次のインパルス信号との間にナイキスト間隔位置にゼロ点信号を挿入して送出するゼロ点挿入部を備えたことを特徴とする請求項5に記載の電力線搬送通信における漏洩電磁界抑圧送信装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002015098A JP3925213B2 (ja) | 2002-01-24 | 2002-01-24 | 漏洩電磁界抑圧方法並びに漏洩電磁界抑圧送信方法及び装置 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002015098A Division JP3925213B2 (ja) | 2002-01-24 | 2002-01-24 | 漏洩電磁界抑圧方法並びに漏洩電磁界抑圧送信方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006352923A JP2006352923A (ja) | 2006-12-28 |
JP4519818B2 true JP4519818B2 (ja) | 2010-08-04 |
Family
ID=19191924
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002015098A Expired - Fee Related JP3925213B2 (ja) | 2002-01-24 | 2002-01-24 | 漏洩電磁界抑圧方法並びに漏洩電磁界抑圧送信方法及び装置 |
JP2004003689A Expired - Fee Related JP3925497B2 (ja) | 2002-01-24 | 2004-01-09 | 電力線搬送通信の送信装置 |
JP2006255736A Expired - Lifetime JP4519818B2 (ja) | 2002-01-24 | 2006-09-21 | 電力線搬送通信の送信装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002015098A Expired - Fee Related JP3925213B2 (ja) | 2002-01-24 | 2002-01-24 | 漏洩電磁界抑圧方法並びに漏洩電磁界抑圧送信方法及び装置 |
JP2004003689A Expired - Fee Related JP3925497B2 (ja) | 2002-01-24 | 2004-01-09 | 電力線搬送通信の送信装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20030137405A1 (ja) |
EP (1) | EP1333593A1 (ja) |
JP (3) | JP3925213B2 (ja) |
CN (3) | CN1822517A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2853482A1 (fr) * | 2003-04-07 | 2004-10-08 | France Telecom | Reseau local utilisant un reseau de distribution d'energie electrique et dispositif de reflexion associe |
US7079012B2 (en) | 2004-01-21 | 2006-07-18 | Evans Wetmore | System and method for distributing broadband communication signals over power lines |
US7088232B2 (en) | 2004-03-03 | 2006-08-08 | Evans Wetmore | System and method for reducing radiation when distributing broadband communication signals over power lines |
JP4554262B2 (ja) * | 2004-04-16 | 2010-09-29 | パナソニック株式会社 | 平衡伝送装置 |
CN1770669B (zh) * | 2004-11-03 | 2010-11-10 | 展讯通信(上海)有限公司 | Td-scdma射频系统接收部分性能监测方法 |
JP2008124644A (ja) * | 2006-11-09 | 2008-05-29 | Ministry Of National Defense Chung Shan Inst Of Science & Technology | 干渉回避伝送システムとその方法 |
JP5660597B2 (ja) * | 2010-04-13 | 2015-01-28 | 碓井 有三 | 多重反射補償回路 |
CN112468185B (zh) * | 2020-11-23 | 2022-03-22 | 贵州电网有限责任公司 | 一种基于低压电力载波通信的集中控制器的分频装置 |
CN112763810A (zh) * | 2020-12-28 | 2021-05-07 | 河北科技师范学院 | 一种计算机数字视频信息电磁泄漏检测装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59128839A (ja) * | 1983-01-13 | 1984-07-25 | Osaki Denki Kogyo Kk | 位相パルス信号伝送方式 |
JPS62210741A (ja) * | 1986-03-12 | 1987-09-16 | Hitachi Ltd | 搬送波送信及び受信復調装置 |
JPH02162924A (ja) * | 1988-12-16 | 1990-06-22 | Tohoku Electric Power Co Inc | 信号伝送方法 |
JPH09505971A (ja) * | 1994-09-30 | 1997-06-10 | リモート・メータリング・システムズ・リミテッド | 本線信号伝送システム |
WO2001022380A1 (en) * | 1999-09-21 | 2001-03-29 | Kim Seung Dol | Asynchronous power line transmission apparatus |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185591A (en) * | 1991-07-12 | 1993-02-09 | Abb Power T&D Co., Inc. | Power distribution line communication system for and method of reducing effects of signal cancellation |
US5581256A (en) * | 1994-09-06 | 1996-12-03 | The Regents Of The University Of California | Range gated strip proximity sensor |
US6657950B1 (en) * | 1999-02-19 | 2003-12-02 | Cisco Technology, Inc. | Optimal filtering and upconversion in OFDM systems |
US7187907B2 (en) * | 2000-05-09 | 2007-03-06 | Bernard Widrow | Simultaneous two-way transmission of information signals in the same frequency band |
US7177341B2 (en) * | 2000-10-10 | 2007-02-13 | Freescale Semiconductor, Inc. | Ultra wide bandwidth noise cancellation mechanism and method |
US7664170B2 (en) * | 2002-07-22 | 2010-02-16 | Broadcom Corporation | Bit stream linear equalizer with AGC loop |
JP3986929B2 (ja) * | 2002-08-27 | 2007-10-03 | 富士通株式会社 | 電力線搬送通信における漏洩電磁界抑圧送信方法及び漏洩電磁界抑圧送信装置 |
-
2002
- 2002-01-24 JP JP2002015098A patent/JP3925213B2/ja not_active Expired - Fee Related
- 2002-05-08 EP EP02010113A patent/EP1333593A1/en not_active Withdrawn
- 2002-05-08 US US10/141,224 patent/US20030137405A1/en not_active Abandoned
- 2002-06-03 CN CNA2005101128200A patent/CN1822517A/zh active Pending
- 2002-06-03 CN CNA2005101128198A patent/CN1758561A/zh active Pending
- 2002-06-03 CN CNB02122269XA patent/CN1245804C/zh not_active Expired - Fee Related
-
2004
- 2004-01-09 JP JP2004003689A patent/JP3925497B2/ja not_active Expired - Fee Related
-
2006
- 2006-09-21 JP JP2006255736A patent/JP4519818B2/ja not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59128839A (ja) * | 1983-01-13 | 1984-07-25 | Osaki Denki Kogyo Kk | 位相パルス信号伝送方式 |
JPS62210741A (ja) * | 1986-03-12 | 1987-09-16 | Hitachi Ltd | 搬送波送信及び受信復調装置 |
JPH02162924A (ja) * | 1988-12-16 | 1990-06-22 | Tohoku Electric Power Co Inc | 信号伝送方法 |
JPH09505971A (ja) * | 1994-09-30 | 1997-06-10 | リモート・メータリング・システムズ・リミテッド | 本線信号伝送システム |
WO2001022380A1 (en) * | 1999-09-21 | 2001-03-29 | Kim Seung Dol | Asynchronous power line transmission apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP3925497B2 (ja) | 2007-06-06 |
JP2004201329A (ja) | 2004-07-15 |
CN1758561A (zh) | 2006-04-12 |
CN1822517A (zh) | 2006-08-23 |
CN1245804C (zh) | 2006-03-15 |
EP1333593A1 (en) | 2003-08-06 |
US20030137405A1 (en) | 2003-07-24 |
CN1434576A (zh) | 2003-08-06 |
JP2006352923A (ja) | 2006-12-28 |
JP2003218753A (ja) | 2003-07-31 |
JP3925213B2 (ja) | 2007-06-06 |
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